Trailing Wire Flow Switch - Kelco Engineering

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Company	Kelco Engineering
Description	Trailing Wire Flow Switch
Bill of material	TW Series
ORDERNO	TW Series
DESCRIPTION description	The TW Series flow switches are available with various lengths of the flexible stainless steel wire from 50mm to 300mm (2” to 12”). The required wire length must be specified when ordering. The flexible stainless wire sensor offers major advantages over conventional paddles in applications where solids or semi solids are present, such as in sewage pumping. They are also suitable for use in slurry and mining applications and in many normal pumping situations where the flow velocity is high and conventional paddle type switches are unsuitable. The flow rate required to actuate the TW flow switch will depend on many variables such as turbulence, liquid viscosity and the exact surface area of sensor wire exposed to the flow. The TW-H models are the standard models in the TW Series. The TW-RL models are the low voltage options specifically designed for use in Ex applications and with low wetting currents.
FEATURES features	Unique Trailing Wire Flow Sensor 0 to 500V AC 15 Amp S.P.D.T Switch Standard (‘H’ models) Low Voltage option available (‘RL” models) 1” BSP or NPT models available Option of 316 Stainless or Polypropylene Connection Easily Serviceable 400 Bar 5800psi Rated Models Available Built In Manual Override (TW-H models only) Seal-less Magnetic Drive Adjustable Sensitivity IP67 Weatherproof
NAME name	TW Series